Proto Labs Inc reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Maple Plain, MN
SEC filing record 1 source field available
Fiscal year end
31 December
Proto Labs Inc has filed 897 SEC EDGAR filings since 18 Aug 2008

SEC filing history

Showing 51-75 of 896 matching filings.

Per page
25
Current page
3
4

FORM 4

Filing date
18 Feb 2026
Reporting date
13 Feb 2026
SEC evidence
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SCHEDULE 13G/A File 005-87297

SCHEDULE 13G/A filing

Filing date
17 Feb 2026
Reporting date
Not listed
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4

4 filing

Filing date
12 Feb 2026
Reporting date
10 Feb 2026
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4

4 filing

Filing date
12 Feb 2026
Reporting date
10 Feb 2026
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4

FORM 4

Filing date
09 Feb 2026
Reporting date
06 Feb 2026
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144 File 001-35435

144 filing

Filing date
06 Feb 2026
Reporting date
Not listed
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4

FORM 4

Filing date
04 Feb 2026
Reporting date
29 Jan 2026
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4

FORM 4

Filing date
04 Feb 2026
Reporting date
29 Jan 2026
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144 File 001-35435

144 filing

Filing date
16 Jan 2026
Reporting date
Not listed
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144 File 001-35435

144 filing

Filing date
15 Jan 2026
Reporting date
Not listed
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144 File 001-35435

144 filing

Filing date
08 Jan 2026
Reporting date
Not listed
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144 File 001-35435

144 filing

Filing date
07 Jan 2026
Reporting date
Not listed
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4/A

FORM 4/A

Filing date
03 Dec 2025
Reporting date
25 Nov 2025
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4

FORM 4

Filing date
26 Nov 2025
Reporting date
25 Nov 2025
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144 File 001-35435

144 filing

Filing date
25 Nov 2025
Reporting date
Not listed
SEC evidence
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144 File 001-35435

144 filing

Filing date
25 Nov 2025
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
19 Nov 2025
Reporting date
17 Nov 2025
SEC evidence
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SCHEDULE 13G/A File 005-87297

SCHEDULE 13G/A filing

Filing date
14 Nov 2025
Reporting date
Not listed
SEC evidence
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144 File 001-35435

144 filing

Filing date
07 Nov 2025
Reporting date
Not listed
SEC evidence
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3

FORM 3

Filing date
15 Oct 2025
Reporting date
13 Oct 2025
SEC evidence
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Next action
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